Electronic lockbox



FIG. 1 is a front perspective view of a preferred embodiment of an electronic lockbox showing our new design;

FIG. 2 is a front view of the electronic lockbox;

FIG. 3 is a back view of the electronic lockbox;

FIG. 4 is a left side view of the electronic lockbox;

FIG. 5 is a right side view of the electronic lockbox;

FIG. 6 is a first end view of the electronic lockbox; and,

FIG. 7 is a second end view of the electronic lockbox. 

We claim the ornamental design for an electronic lockbox, as shown and described. 